251833068

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{661}}^1$

素因数の和:1247

約数の個数: 72

約数和(自身を含む): 672300720

約数和(自身を除く): 420467652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 557, 661, 684, 1114, 1322, 1671, 1983, 2228, 2644, 3342, 3966, 5013, 5949, 6684, 7932, 10026, 10583, 11898, 12559, 20052, 21166, 23796, 25118, 31749, 37677, 42332, 50236, 63498, 75354, 95247, 113031, 126996, 150708, 190494, 226062, 368177, 380988, 452124, 736354, 1104531, 1472708, 2209062, 3313593, 4418124, 6627186, 6995363, 13254372, 13990726, 20986089, 27981452, 41972178, 62958267, 83944356, 125916534, 251833068]

約数ペア:

[(1, 251833068), (2, 125916534), (3, 83944356), (4, 62958267), (6, 41972178), (9, 27981452), (12, 20986089), (18, 13990726), (19, 13254372), (36, 6995363), (38, 6627186), (57, 4418124), (76, 3313593), (114, 2209062), (171, 1472708), (228, 1104531), (342, 736354), (557, 452124), (661, 380988), (684, 368177), (1114, 226062), (1322, 190494), (1671, 150708), (1983, 126996), (2228, 113031), (2644, 95247), (3342, 75354), (3966, 63498), (5013, 50236), (5949, 42332), (6684, 37677), (7932, 31749), (10026, 25118), (10583, 23796), (11898, 21166), (12559, 20052)]